DEFCON line of tactical fixed blade knives are designed by an Ohio Sheriff. Featuring full-tang thick D2 blades and G10 handles. They have a quick deploy sheath that holds the knife tightly in place without the need for an extra retainer. They are designed by the Sheriff for the sheriff's SWAT team, and the final designs are a combination of law enforcement training as well as military training. These are very tough knives that are functional, easy to use, and extremely sturdy.